ASTM A519 Grade1020 Mechanical Steel Tube & Pipe

ASTM A519 Grade 1020 Mechanical Steel Tube & Pipe Standard: ASTM A519-06 Scope:  Covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Table-1.  Size Range: Covers tubes in size up to and including 80mm outside diameter for round tubes with wall thicknesses as required. Shape: The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square,rectangular and special sections. Chemical Composition& Mechanical Properties(Type: Cold Drawn Seamless Mechanical/CDS)                                                                                       Table-1

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
1008	≤0.10	0.30-0.50	0.040	0.050	-	-	-
1010	0.08-0.13	0.30-0.60	0.040	0.050	-	-	-
1018	0.15-0.20	0.60-0.90	0.040	0.050	-	-	-
1020	0.18-0.23	0.30-0.60	0.040	0.050	-	-	-
1025	0.22-0.28	0.30-0.60	0.040	0.050	-	-	-
1035	0.32-0.38	0.60-0.90	0.040	0.050
1045	0.43-0.50	0.60-0.90	0.040	0.050
1026	0.22-0.28	0.60-0.90	0.040	0.050	-	-	-
4130	0.28-0.33	0.40-0.60	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.040	0.040	0.15-0.35	0.80-1.10	0.15-0.25

Grade	Condition	Ultimate Strength		Yield Strength		Elongation	Rockwell Hardness
		Ksi	Mpa	Ksi	Mpa	%	B scale
1020	HR	50	345	32	221	25	55
	CW	70	483	60	414	5	75
	SR	65	448	50	345	10	72
	A	48	331	28	193	30	50
	N	55	379	34	234	22	60
1025	HR	55	379	35	241	25	60
	CW	75	517	65	448	5	80
	SR	70	483	55	379	8	75
	A	53	365	30	207	25	57
	N	55	379	36	248	22	60
1035	HR	65	448	40	276	20	72
	CW	85	586	75	517	5	88
	SR	75	517	65	448	8	80
	A	60	414	33	228	25	67
	N	65	448	40	276	20	72
1045	HR	75	517	45	310	15	80
	CW	90	621	80	552	5	90
	SR	80	552	70	483	8	85
	A	65	448	35	241	20	72
	N	75	517	48	331	15	80
4130	HR	90	621	70	483	20	89
	SR	105	724	85	586	10	95
	A	75	517	55	379	30	81
	N	90	621	60	414	20	89
4140	HR	120	855	90	310	15	100
	SR	120	855	100	689	10	100
	A	80	552	60	414	25	85
	N	120	855	90	621	20	100

Please note the meaning of below abbreviation in table 2:
HR----Hot Rolled---->not available CW----Cold Worked
SR----Stress Relieved A----Annealed
N----Normalized      Packaging & Shipping     FAQ  why material 1020? A:it is a general material.and easy to weld&Bend&expand.   ** How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.  

** What is your minimum order?
Usually 5 ton for each size, please contact us when you are trying to purchase less than container load

** What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination   ** What is your payment term? 
Payment is 30% deposit, 70% before shipment .    ** Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight . Want a Quick Quote? Fill in a detailed description of type of material and lengths; also please include specifics about shipping, quantity. A fast and efficient service is assured.

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